Question

Kevin earned $80. Out of his earnings, he spent $685 on shopping, $512 on food, and $225 for taxi. Find the remaining amount.

Answer 1

To get the remaining amount, we subtract all the other cost from the amount he earned.

This means, the remaining amount becomes

`80-(68)/(5)-(51)/(2)-(22)/(5)`

This becomes

`\begin{gathered} (80)/(1)-(68)/(5)-(51)/(2)-(22)/(5) \\ \\ \text{LCM of the denominators = 10 } \\ \\ (800-136-255-44)/(10) \\ \\ (365)/(10) \\ \\ =(73)/(2)\text{ dollars} \end{gathered}`